On 21/06/2013, at 4:28 AM, Dan Williams wrote:
>
> It's supported that for 4 or 5 years. You don't need aliases at all,
Consider an anycast service where the alias interface reflects the availability
of the service on the server. An OSPF or BGP daemon then advertises the address
of the alias interface into the network.
You want to be able to up/down the alias interface independently of the other
addressing on the physical interface. You don't want to remove the addressing
-- from a the routing daemon's point of view there's a considerable difference
between no addressing (an error) and down (a state).
And sure, this isn't a common desktop scenario. But as NetworkManager makes its
way into servers...
-glen
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